{"id":3285488,"url":"https://alion.io/job/scitec-senior-staff-senior-full-stack-engineer-clearance-required","title":"Senior Staff / Senior Full Stack Engineer (Clearance Required)","company":{"id":686565,"name":"SciTec","domain":"scitec.com","url":"https://alion.io/company/scitec","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":90,"open_postings":17,"ghost_share":0,"stale_share":0.588,"repost_share":0,"time_to_fill_p50_days":19,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dayton, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":127000,"max":193000,"currency":"USD","period":"year","gross":null,"usd_annual":193000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"ArgoCD","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"GitLab CI","optional":false},{"name":"Harbor","optional":false},{"name":"Helm","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"NumPy","optional":false},{"name":"Pandas","optional":false},{"name":"Plotly","optional":false},{"name":"Podman","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-10-26T18:14:28Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-10-29T21:25:27Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"SciTec, a Firefly Aerospace company, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions.\nImportant Notice: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. SciTec cannot sponsor or assume sponsorship of employee work visas of any type. Further, U.S. citizenship is a requirement to obtain and keep a security clearance. Applicants that do not meet these requirements will not be considered.\nNOTE: This role is contingent upon contract award.\nWe are seeking a Senior Staff / Senior Full Stack Software Engineer with a passion to design, develop, and deliver high-quality software systems. This role focuses on distributed systems, microservices, and real-time data pipelines, working closely with scientific and technical users in a mission-focused environment.\nThe ideal candidate is a strong contributor with deep Python, TypeScript / JavaScript, and DevOps expertise utilizing sound software engineering judgment, and the ability to collaborate across disciplines while influencing technical direction through example and mentorship.\nResponsibilities\nWork both independently and collaboratively with development teams to deliver complex features end to end\nDesign, implement, and maintain high-quality software aligned with program objectives \nPromote strong engineering practices, including testing, documentation, and maintainability\nContribute to containerized, distributed microservice architectures, including development, deployment, and testing\nDesign, implement, and maintain real-time or near-real-time data processing and streaming workflows\nParticipate in and guide Agile development activities, including code reviews, design discussions, and sprint planning\nMentor junior and mid-level engineers through technical collaboration and code reviews\nRequirements\nActive Top Secret security clearance \nBachelor’s degree in Computer Science, Engineering, Mathematics, Physical Sciences, or a related technical field\n5+ years of professional software engineering experience\nExpert in Python with previous experience using Pandas and NumPy\nProficient in TypeScript with previous experience using React and Plotly\nSolid understanding of software engineering fundamentals, including design patterns, modularity, and maintainability\nExpertise with Object-Oriented Programming, including modern language features and best practices\nExperience writing and maintaining automated tests\nStrong attention to detail and commitment to high-quality, well-tested code\nExcellent verbal and written communication skills\nDemonstrated ability to collaborate effectively across technical disciplines\nCandidates who have any of the following skills will be preferred:\nActive TS/SCI security clearance\nMaster of Science in Computer Science, Software Engineering, or related engineering discipline\nExperience working with remotely sensed data or scientific data processing workflows\nUnderstanding of containerization (e.g., Docker, Podman), orchestration (e.g., Kubernetes, Helm), and deployment (e.g., ArgoCD, GitLab CI/CD)\nExperience working in Agile software development environments and using task scheduling and tracking software (e.g., JIRA)\nBenefits\nSciTec offers a highly competitive salary and benefits package, including:\n4% Safe Harbor 401(k) match\n100% company paid HSA Medical insurance, with a choice of 2 buy-up options\n80% company paid Dental insurance\n100% company paid Vision insurance\n100% company paid Life insurance\n100% company paid Long-term Disability insurance\nShort-term Disability insurance\nAnnual Profit-Sharing Plan\nDiscretionary Performance Bonus\nPaid Parental Leave\nGenerous Paid Time Off, including Holiday, Vacation, and Sick pay\nFlexible Work hours\nThe pay range for this position is $127,000 -$193,000 SciTec considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills. This is not a guarantee of compensation.\nSciTec is proud to be an Equal Opportunity employer. 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